Applies to: VDT2 (VDT)
What does Scania VDT fault code 840 mean?
What causes Scania DTC 840?
How does the system react?
How to fix Scania VDT fault code 840?
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This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.
Code 840 in other Scania systems
- 840hex 0348 Propulsion battery cooling system, emergency stop
- 840hex 0348 Solenoid valve type 3/2 for tag axle lift, short circuit to earth
- 840hex 0348 CAN communication with switch module
- 840hex 0348 Internal fault in the direct current converter
- 840hex 0348 Secondary temperature sensor for passenger area, implausible value